GO ON -- "Win At All Costas" Episode 109 -- Pictured: (l-r) Brett Gelman as Mr. K, Bob Costas as Himself -- (Photo by: Vivian Zink/NBC) Airdate: Tuesday, January 8 on NBC (9-9:30 p.m. ET), © NBC ... more 

GO ON -- "Win At All Costas" Episode 109 -- Pictured: (l-r) Brett Gelman as Mr. K, Bob Costas as Himself -- (Photo by: Vivian Zink/NBC) Airdate: Tuesday, January 8 on NBC (9-9:30 p.m. ET), © NBC Universal, Inc. less